str = ("123456"
       "67890")
str3 = ''

print(type(str3))
num1 = int(input("请输入第一个数字"));
num2 = int(input("请输入第二个数字"));
print(num1+num2)

name = input("请输入您的年龄：")
print(name)

list = [1, 2, 3, 4]
